Household refrigerating apparatus



Feb. 1o. ,1925.

\ E. T. W|LL.IAMS

HOUSEHOLD REFRIGERATING APPARATUS 2 Smeets- Sheet l1 IN VEN TOR Edward TMW/ams.

Filed Feb, 17, 1925 A TTORNEYJ;`

Feb; 10. 1925.

E. T. WILLIAMS HOUSEHOLD REFRIGERATING APPARATUS Filed Feb. 17, 1925 2' Sheets-Sheet 2 IN VENTOR TW///ams A TTORNE YS which,

l heat-insulating walls,

Patented Feb. 10,' 1925.

UNITED STATE EDWARDT. WILLIAMS, 0F BROOKLYN, NEW YORK.

IElIOUSELl'OLD REFRIGERATING APPARATUS.

Application tiled February 17, 1923. Serial No. 619,601.

To all who??u t may concern:

Be it known that I, EDWARD T. VVILLIA als, a citizen of the United States of America, residing at Brooklyn, county of Kings, city and State of New York, have invented certain new and useful Improvements in Household Refrigerating Apparatus, of which the following is a full, clear, and exact description.

This invention relates to refrigerating apparatus, more particularly devices designed for household use, and its chief object is to provide for the purpose an apparatus of simple construction and low cost which can be operated with high efficiency. To this and other ends the invention consists in the novel features hereinafter described.

.In carrying out the invention in the preferred manner I employ a refrigeraton which may be of any suitable type, with the usual heat-insulating-walls. Inside of the refrigerator, preferably in a rear corner thereof,-I provide an upright elongated flue, open at top and bottom and also having in which is an upright elongated brine tank spaced from the inner surface of the flue to provide air pas'- sages. The brine tank surrounds a long narrow upright expansion chamber, to which liquefied refrigerant is supplied from a refrigerating machine located outside of the refrigerator, preferably on top of the saine. In the lower end of the brine tank one or more freezing chambers may be provided, in which ice for table use and the like may be made in convenient quantities.

The embodiment outlined above is illustrated in the accompanying drawings, in

Fig. 1 is a cross sectional View of a refrigerator equipped with my invention, the section being taken on a plane corresponding to the line 1-1 in Fig. 2;

Fig. 2 is a detail sectional plan view on line 2--2 of Fig. 1;

IFig. 3 is a detail section on line 3-3 of Fig. 2, looking in the direction of the arrows; and

Figs-4 is Va detail sectional plan view on line of Fig. 3. v y The refrigerator shown is of any suitable construction, having heat-insulating walls, and in its left rear corner a space is partitioned off by heat-insulating walls 10, 11,

winch', in conjunction with the refrigerator' ately walls 12, 13, Fig. 2, form an upright, relatively long-narrow flue, open at top and bottom and spaced from the top and bottom of the refrigerator, as clearly shown in Fig. 1. 'l`he.\valls or partitions l0, 11,1nay be of any suitable construction. Preferably the fine is substantially square in horizontal section.

In the liuc is an upright brine tank 14 of elongated form, somewhat smaller than the iue in horizontal dimensions soas to leave ample space between the tank and the flue walls for circulation of air, as indicated by the arrows in Fig. 1. Preferably the major portion of the brine tank is .ma/de of a piece of round iron or steel pipe, say about six inches in diameter. At the bottoni, below the flue, the tank is enlarged b-y an extension 15, rectangular in horizont-al section, which may be welded or otherwise secured to the Extending into the brine tank from above, so as to be well immersed in the brine therein, is an elongated cylindrical expansion chamber 16, which may also be made of a piece of iron or steel pipe, say about 21/2 inches in diameter, with its ends closed in any convenient manner, as by means of caps 17, 18, threaded or welded on. The Hue, brine tank, and expansion chamber are preferably concentric witheach other, as indii cated in Fig. 2.

- A refrigerating machine on top of the refrigerator isindicated diagramniatically in Fig. l by the housing 19, containing a. condenser 20, a compressor 21, and an electric motor 22 to drive the latter. Liquefied refrigerant (preferably ethyl chlor1d)is delivered from the refrigenating machine to the expansion chamber by a pipe 23, and evaporated refrigerant is conveyed to the compressor by a pipe 24 leading from a trap 24. When the machine is not in operation, lubricant (glycerine) running down the suction pipe 24 is caught in this trap and is immedidnawn back to the compressor when the machine is started again.

The expansion chamber may be supported by the brine tank cover 25, Fig. 3, and the brine tank itself may be mounted on a standard 26, Fig. 1. To steady the whole theexpansion chamber is extended up into th`e top of the refrigerator. The standard 26, just mentioned, may be hollow, terminating below the refrigerator in a water seal 27 to serve as a drain for moisture condensed on` in con] and diipping from the brine tank. The wia?-`4 ter seal prevents escape of cold air from the refrigerator, as will be readilyiinderstood.

When the expansion chamber 16 is supplied with liqueiied refrigerant the latter absorbs heat from the brine in .the tank and is evaporated thereby, 'thus lowering the temperature of the brine, and causing the `air to How down through theflue and up outside of the saine, as indicated by the arrows in Fig. l, this circulation serving to carry heat from the contents of the re- `vide one or more freezing chambers. Two

such chambers are`shown, in the form of open ended sheet metal tubes or tunnels 28, 29, Figs 3 'and 4t, extending through the brine tank horizontally fioin front to rear and welded or otherwise secured to the walls of the tank. Freezing pans or ltrays 30 are provided for the freezing chambers.

When the pans are in place the water con-Al tained therein is surrounded by the more than ice-cold brine and is soon frozen, thus providing ice for table use and other purinto compartments byy partitions 32, so that the ice will be frozen in block form. To prevent air circulation through the freezing chambers the rear ends thereof may be closed by plates 33 'and the'4 freezing pans may be equipped` with covers 34 to close the front ends of the chambers.

It is to be understoodthat the invention is not limited to the specific details of construction herein illustrated and described,

since these can be varied withoutdeparting from the spirit of the invention asdeiined by the appended claims'.

l. .Ina refrigerating apparatus, a refrigerator having side and, rear walls, vertical partition walls associated with the side'and rear walls of the refrigerator andforining 'unction therewith a narrow-elongated upright flue open at top and bottom, an elongated vertical brine tank arranged in said flue and spaced from the walls thereof to permit downilow of air therethrough, a cover for the brine tank, a tubular drain er:- tending through the bottom of the refrigerator and supporting the brine tank, and

5 refrigerant in the brine tank. poses. The freezing pans may be divided an elongated expansionchamber extending into the brine tank through the cover thereof and supported by the latter.

2. In a refrigerating apparatus, in combination, a refrigerator, upright fiile-walls therein defining a vertical flue open-at both ends and spaced from the top and bottom of the refrigerator, an elongated brine 'tank arranged in the flue and spaced from the walls thereof to permit flow of air through the flue around the brine tank, anl expansion chamber for liquefied refrigerant in the brine tank, and a freezing chamber in the brine Atank at the bottom thereof below theflue.

In a refrigerating apparatus, in coinbination,V a refrigerator having vertical Walls defining a vertical elongated` flue open at top and bottom, an elongated brine tank located in the fine and spaced from thel walls thereof and extending below the flue, a freezing chamber extending rearwardly into the -portion of the brine tank below -the flue .for immersion in the brine in the horizontally into the brine tank enlargement below tlieflue, and an elongated cylindrical expansion chamber for liquefied 5. In a refrigeiating apparatus, Yincombination, a refrigerator having vertical inner walls spaced from the top and bottom of the refrigerator to forni a vertical flue open at both ends, a cylindrical brine tank of elongated forni in the flue, spaced4 from tliefiiie walls and extending below the bot-- tom thereof, an elongated cylindrical cxpansion chamber for liquefied refrigerant in the brine tank, a freezing chamber of tiibular forni extending rearwardly into the brine tank below the liuc, and a water-tray slidable in 'the tubular freezing chamber.

G. ln a iefrige'rating apparatus, iii coinsi gn attire.

EDWARD T. WILLIAMS bination, a refrigerator having inner ver-ti- 

